Khadein (カダイン Kadain) is a country on the continent of Akaneia in the games Fire Emblem: Shadow Dragon and the Blade of Light and Fire Emblem: Shadow Dragon. Located in a desert north of Altea, Khadein was founded by the White Sage Gotoh and is renowned for its skillful magic wielders. Khadein is also home to a school of magic where Merric attends before and after the events of Shadow Dragon and the Blade of Light, and Shadow Dragon. Gharnef eventually conquers this kingdom and proclaims himself emperor.
- Gotoh - The founder of Khadein and mentor of Miloah and Gharnef.
- Gharnef - A once promising student of Gotoh who twisted his soul with dark magic and revived Medeus
- Miloah - Gotoh's best student who was given the Aura spell over Gharnef, he has a daughter named Linde
- Merric - A childhood friend of Marth who also studies magic there. He was given the Excalibur spell by his mentor, Wendell.
- Wendell - A Sage and the mentor of Merric and Arlen.
- Arlen - A student of Wendell and leader of the military.
- Yodel - Subordinate of Arlen ordered to attack Marth, died wondering if he was doing the right thing.